<?php
//告诉刘浏览器返回的是xml格式文件
	header("Content-Type:text/xml;charset=utf-8");
 $sheng=$_POST['sheng'];
 $res="";
 if($sheng=='js')
 {
	$res='<state><shi>南京</shi><shi>苏州</shi><shi>无锡</shi></state>';
 }
 else if($sheng=='sd')
 {
	 $res='<state><shi>济南</shi><shi>青岛</shi><shi>烟台</shi></state>';
 }
 else if($sheng=='zj')
 {
	$res='<state><shi>杭州</shi><shi>宁波</shi><shi>温州</shi></state>';
 }
 echo $res;
?>